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Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use science to protect it all.

This work is possible because of partners like you. Learn how you can join.

Give Today

We believe that nature can heal if we remove barriers. Our 20-year track record shows what's possible.

• Real-time data networks of water quality shifts

Every action counts — from small donations to big movements. We can still protect if we organize today.

Give Today

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my action prevents contamination. Now I'm leading others.' — Jennifer M., Volunteer

The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We propose solutions so nature can recover.